1
22
23 package com.liferay.portal.security.auth;
24
25 import com.liferay.portal.NoSuchGroupException;
26 import com.liferay.portal.NoSuchUserException;
27 import com.liferay.portal.kernel.util.StringPool;
28 import com.liferay.portal.kernel.util.StringUtil;
29 import com.liferay.portal.service.GroupLocalServiceUtil;
30 import com.liferay.portal.service.UserLocalServiceUtil;
31
32
38 public class ScreenNameGenerator {
39
40 public String generate(long companyId, long userId, String emailAddress)
41 throws Exception {
42
43 String screenName = StringUtil.extractFirst(
44 emailAddress, StringPool.AT).toLowerCase();
45
46 screenName = StringUtil.replace(
47 screenName,
48 new String[] {StringPool.SLASH, StringPool.UNDERLINE},
49 new String[] {StringPool.PERIOD, StringPool.PERIOD});
50
51 if (screenName.equals(ScreenNameValidator.CYRUS) ||
52 screenName.equals(ScreenNameValidator.POSTFIX)) {
53
54 screenName += StringPool.PERIOD + userId;
55 }
56
57 try {
58 UserLocalServiceUtil.getUserByScreenName(companyId, screenName);
59 }
60 catch (NoSuchUserException nsue) {
61 try {
62 GroupLocalServiceUtil.getFriendlyURLGroup(
63 companyId, StringPool.SLASH + screenName);
64 }
65 catch (NoSuchGroupException nsge) {
66 return screenName;
67 }
68 }
69
70 for (int i = 1;; i++) {
71 String tempScreenName = screenName + StringPool.PERIOD + i;
72
73 try {
74 UserLocalServiceUtil.getUserByScreenName(
75 companyId, tempScreenName);
76 }
77 catch (NoSuchUserException nsue) {
78 try {
79 GroupLocalServiceUtil.getFriendlyURLGroup(
80 companyId, StringPool.SLASH + tempScreenName);
81 }
82 catch (NoSuchGroupException nsge) {
83 screenName = tempScreenName;
84
85 break;
86 }
87 }
88 }
89
90 return screenName;
91 }
92
93 }